增加获取eth与美元兑换价格的接口

src/api/PayApi.ts

@@ -5,3 +5,8 @@ export function reqAlchemyPrePay(data: any) {
   const url = `${WALLET_API_HOST}/pay/alchemy/buy`;
   return POST_JSON(url, data);
 }
+
+export function queryEthUsdPrice(eth: string, chain: string) {
+  const url = `${WALLET_API_HOST}/pay/alchemy/crypto_price`;
+  return POST_JSON(url, { token: eth, chain });
+}

src/config/cfg_421613_dev.js

@@ -8,18 +8,18 @@ module.exports = {
     },
     {
       type: "erc20",
-      address: "0xfa513999031dC1DCf86e99d91101e17d07839236",
+      address: "0xaa34B79A0Ab433eaC900fB3CB9f191F5Cd27501D",
       symbol: "CEC",
       decimal: 18,
     },
     {
       type: "erc20",
-      address: "0x9f87eCA8F0479383fF11a5AB2336b5A6c383d6F3",
+      address: "0xaa34B79A0Ab433eaC900fB3CB9f191F5Cd27501D",
       symbol: "CEG",
       decimal: 18,
     },
     {
-      address: "0x3EBF5196dADC8F3F09C808333f98FE8A4b7d1e62",
+      address: "0xB469331cEC98E52b7Eab07dFB586253bE232BBF7",
       name: "hero",
       type: "erc721",
     },

src/index.ts

@@ -40,7 +40,7 @@ import { JCStandard } from "./standards/JCStandard";
 import { WalletType } from "./types/data.enums";
 import { IChainData } from "./types/data.types";
 import { universalChainCb } from "./util/chain.util";
-import { fromTokenMinimalUnit } from "./util/number.util";
+import { fromTokenMinimalUnit, safeNumberToBN } from "./util/number.util";
 import { buildLoginSignMsg, signLogin } from "./util/sign.util";
 
 var global =
@@ -289,10 +289,16 @@ export default class JCWallet {
   }
 
   public async generateGasShow(gas: any) {
-    let price = await this.web3.eth.getGasPrice();
-    let ehtBN = this.web3.utils.toBN(price).mul(this.web3.utils.toBN(gas));
+    let chainData = this.currentChain;
+    let price = await new PaySvr().getGasPrice(chainData.id);
+    let ehtBN = safeNumberToBN(price).mul(safeNumberToBN(gas));
+    let ethSymbol = chainData.type !== "Testnet" ? chainData.symbol : "ETH";
+    let leagelPrice = await new PaySvr().queryEthPrice(chainData.id, ethSymbol);
+    let priceFloat = parseFloat(leagelPrice) * 100;
+    let leagelPriceBN = safeNumberToBN(priceFloat);
+    let usd = fromTokenMinimalUnit(ehtBN.mul(leagelPriceBN), 20);
     let eth = fromTokenMinimalUnit(ehtBN, 18);
-    return { gas, price, eth };
+    return { gas, price, eth, usd };
   }
 
   public async sendEth(to: string, amount: number | string, estimate: number) {
@@ -301,7 +307,7 @@ export default class JCWallet {
     let gas = await this.web3.eth.estimateGas({
       from,
       to,
-      value: amountToSend,
+      value: "0",
     });
     if (estimate) {
       return this.generateGasShow(gas);

src/services/PaySvr.ts

@@ -1,9 +1,10 @@
-import { reqAlchemyPrePay } from "../api/PayApi";
+import { queryEthUsdPrice, reqAlchemyPrePay } from "../api/PayApi";
 import { singleton } from "../decorator/singleton.decorator";
 import { IPayData } from "../types/data.types";
 
 @singleton
 export class PaySvr {
+  private priceMap: Map<string, string> = new Map();
   /**
    * Calls the alchemyPrePay function with the given data.
    * @param data - The data to be passed to the alchemyPrePay function.
@@ -25,4 +26,47 @@ export class PaySvr {
     // jsb.openURL(url);
     return true;
   }
+
+  public async getGasPrice(chainId: number) {
+    const key = `gasprice_${chainId}`;
+    if (!this.priceMap.has(key)) {
+      let price = await new jc.wallet.web3.eth.getGasPrice();
+      this.priceMap.set(key, price + "");
+    } else {
+      setImmediate(async () => {
+        let price = await new jc.wallet.web3.eth.getGasPrice();
+        this.priceMap.set(key, price + "");
+      });
+    }
+    console.log("gas price", this.priceMap.get(key));
+    return this.priceMap.get(key);
+  }
+
+  public async queryEthPrice(chainId: number, eth: string) {
+    const usd = "USD";
+    const key = `crypto_usd_${chainId}_${eth}`;
+    if (!this.priceMap.has(key)) {
+      try {
+        let priceData = await queryEthUsdPrice(eth, "ETH");
+        console.log("ETH price data", JSON.stringify(priceData));
+        let price = priceData.data.price;
+        this.priceMap.set(key, price + "");
+      } catch (err) {
+        console.log("ETH price err", err);
+      }
+    } else {
+      setImmediate(async () => {
+        try {
+          let priceData = await queryEthUsdPrice(eth, "ETH");
+          console.log("ETH price data", JSON.stringify(priceData));
+          let price = priceData.data.price;
+          this.priceMap.set(key, price + "");
+        } catch (err) {
+          console.log("ETH price err", err);
+        }
+      });
+    }
+    console.log("ETH price", this.priceMap.get(key));
+    return this.priceMap.get(key);
+  }
 }

src/util/chain.util.ts

@@ -10,7 +10,7 @@ export const UNKNOW = "unknow";
  * @param {number} decimals
  * @return {string}
  */
-export function parsePrice(price: number, decimals: number) {
+export function parsePrice(price: number, decimals: number): string {
   const n = 19 - decimals;
   return price + new Array(n).join("0");
 }
@@ -26,7 +26,7 @@ export function formatPrice(
   price: number | string,
   decimals?: number,
   fixed = 2
-) {
+): string | number {
   if (!decimals) {
     return price;
   }